//
//  HitTestingToolbar.swift
//  DuckDuckGo
//
//  Copyright © 2020 DuckDuckGo. All rights reserved.
//
//  Licensed under the Apache License, Version 2.0 (the "License");
//  you may not use this file except in compliance with the License.
//  You may obtain a copy of the License at
//
//  http://www.apache.org/licenses/LICENSE-2.0
//
//  Unless required by applicable law or agreed to in writing, software
//  distributed under the License is distributed on an "AS IS" BASIS,
//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//  See the License for the specific language governing permissions and
//  limitations under the License.
//

import UIKit

class HitTestingToolbar: UIToolbar {

    static let hitWidth: CGFloat = 45

    override func hitTest(_ point: CGPoint, with event: UIEvent?) -> UIView? {

        let item = items?.first(where: {
            guard let customView = $0.customView else { return false }
            let location = convert(point, to: customView)
            let extra = max(0, Self.hitWidth - customView.frame.width)
            return location.x >= -extra && location.x <= Self.hitWidth
                && location.y > 0 && location.y <= customView.frame.height
        })
        return item?.customView ?? super.hitTest(point, with: event)
    }

}
